1 files changed, 13 insertions, 0 deletions
diff --git a/cli/tests/unit_node/zlib_test.ts b/cli/tests/unit_node/zlib_test.ts
index 957c7cdfc..a6d164791 100644
--- a/cli/tests/unit_node/zlib_test.ts
+++ b/cli/tests/unit_node/zlib_test.ts
@@ -3,6 +3,7 @@
 import { assert, assertEquals } from "../../../test_util/std/assert/mod.ts";
 import { fromFileUrl, relative } from "../../../test_util/std/path/mod.ts";
 import {
+  brotliCompress,
   brotliCompressSync,
   brotliDecompressSync,
   createBrotliCompress,
@@ -19,6 +20,18 @@ Deno.test("brotli compression sync", () => {
   assertEquals(decompressed.toString(), "hello world");
 });
 
+Deno.test("brotli compression async", async () => {
+  const buf = Buffer.from("hello world");
+  const compressed: Buffer = await new Promise((resolve) =>
+    brotliCompress(buf, (_, res) => {
+      return resolve(res);
+    })
+  );
+  assertEquals(compressed instanceof Buffer, true);
+  const decompressed = brotliDecompressSync(compressed);
+  assertEquals(decompressed.toString(), "hello world");
+});
+
 Deno.test("brotli compression", async () => {
   const { promise, resolve } = Promise.withResolvers<void>();
   const compress = createBrotliCompress();